I agree, i've found the following drawing online, from a previously approved application but nothing on the outstanding application on the additional seating.
I've just had a bit of a dig online:
The application to extend the capacity is currently under consideration and highways still have some issues:
https://planningapps.brighton-hove.gov.uk/online-applications/files/3F880AE8F1FC2B014E0359B6CB7B0F51/pdf/BH2020_00769-TRANSPORT-16013920.pdf
The...